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Table 2 Sample characteristics dependent on IL-6 -174 C/G genotype

From: Interleukin-6 gene (IL-6): a possible role in brain morphology in the healthy adult brain

  CC (N = 43) CG (N = 150) GG (N = 100) p-value, according to χ²-test (df = 2) or ANOVA (F2,290)
Age 34.6 ± 12.3 34.0 ± 12.3 31.8 ± 10.4 0.25
Sex (m/f) 19/24 61/89 42/58 0.92
Verbal IQ1 119.1 ± 13.8 118.3 ± 12.1 118.1 ± 11.9 0.92
Education years 15.0 ± 2.4 14.8 ± 2.1 14.7 ± 2.1 0.82
STAI trait2 31.0 ± 6.7 32.8 ± 6.3 32.3 ± 6.8 0.32
BDI 2.2 ± 3.0 2.3 ± 2.7 2.4 ± 2.9 0.93
  1. 1Assessed with the Mehrfachwahl-Wortschatz test (multiple-choice vocabulary test; Lehrl, 1995), data from N = 230 subjects available. 2 State-Trait Anxiety Inventory, data from N = 258 subjects available. 3 Beck Depression Inventory, data from N = 283 subjects available.